Dany jest ciąg arytmetyczny an=5n+3. Oblicz różnicę tego ciągu .
r= an+1 - anan+1 = 5(n+1)+3 = 5n+5+3 = 5m+8r= 5n+8 -(5n +3) = 5n+8 - 5n - 3 = 5
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r= an+1 - an
an+1 = 5(n+1)+3 = 5n+5+3 = 5m+8
r= 5n+8 -(5n +3) = 5n+8 - 5n - 3 = 5